Home Automation

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Home automation is the residential extension of building automation.

It is automation of the home, housework or household activity.

Home automation may include centralized control of lighting, HVAC (heating, ventilation and air conditioning), appliances, security locks of gates and doors and other systems, to provide improved convenience, comfort, energy efficiency and security.

Warning: Working with electricity can result in injury, property damage, or even death if it is not done properly. Please keep this in mind while assisting others. If you are not sure about what you are doing, hire a licensed professional.

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Question about wiring 3-way switch (alien.top)

submitted 11 months ago by Robocrotch@alien.top to c/homeautomation@selfhosted.forum

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I recently purchased a few Meross 3-way switches which require a neutral wire.

I’ve included a picture of one of my 3-way switch boxes. I’ve labeled the wires with how they were attached to the previous dumb switch.

This 3 way is powering an outlet, if that makes a difference. House built in the early 80s.

I can figure out the common/t1/t2. But I’m unsure what to use as the neutral, can I just hook it to the two black wires, or the one white that is capped off and seemingly doing nothing?

https://imgur.com/a/2aprOHn

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[–] Human_Contribution56@alien.top 1 points 11 months ago (1 children)

White was connected to the switch?! Typically white is just passing thru the box. Switch typically connects to two blacks and one red; line, load and traveler. I don't even see a taped wire indicator for alt hot. I'd suggest an electrician since you're here asking. There are allowed wiring scenarios that are not as typical. Electricians know stuff.

[–] Robocrotch@alien.top 1 points 11 months ago

Yeah one of them was, seems like it’s used as one of the travellers. As I commented above I’ll just get an electrician to come in. Clearly this one’s too wonky for my diy skills.